#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
    int n = 0;
    scanf("%d", &n);
    int a[100][100] = { 0 };
    int i = 0;
    int count = 0;
    for (i = 0; i < n; i++)
    {
        int j = 0;
        for (j = 0; j < i + 1; j++)
        {
            a[i][j] = ++count;
        }
    }

    for (i = 0; i < n; i++)
    {
        int j = 0;
        for (j = 0; j < n; j++)
        {
            printf("%3d", a[i][j]);
        }
        printf("\n");
    }

    return 0;
}